Aqa P2 Physics (Svs)

Front 1

Acceleration

Back 1

The rate at which an object increases in speed

Front 2

Alternating current (a.c.)

Back 2

An electric current which changes direction of flow continuously

Front 3

Attraction

Back 3

The drawing together of two materials with different types of charges

Front 4

Charged

Back 4

Having an overall positive or negative electric charge

Front 5

Circuit breaker

Back 5

A safety device which breaks an electric circuit if it is overloaded

Front 6

Current

Back 6

The rate of flow of electric charge. Measured in Amps

Front 7

Diode

Back 7

An electrical device that allows current to flow in one direction

Front 8

Direct current (d.c.)

Back 8

An electric current that flows in one direction

Front 9

Distance

Back 9

The space between two points

Front 10

Distance-time graph

Back 10

Gradient represents speed

Front 11

Electron

Back 11

Negatively charged sub-atomic particle

Front 12

Electrostatic

Back 12

Producing or caused by static electricity

Front 13

Energy

Back 13

The ability to do work; measured in Joules

Front 14

Force

Back 14

A push or pull acting on an object

Front 15

Friction

Back 15

The force that resists movement between two surfaces

Front 16

Fuse

Back 16

A thin piece of wire that melts to break a circuit when it is overloaded

Front 17

Ion

Back 17

A charged particle formed by the gain or loss of an electron by an atom.

Front 18

Isotopes

Back 18

Atoms of the same element with different no. of neutrons

Front 19

Joule

Back 19

A measure of the energy or work done

Front 20

Kinetic energy

Back 20

A measure of the state of motion of an object

Front 21

Mass

Back 21

The quantity of matter in an object

Front 22

Momentum

Back 22

The energy possessed by an object due to movement

Front 23

Newton

Back 23

A measure of force

Front 24

Neutron

Back 24

A neutrally charge sub-atomic particle

Front 25

Nuclear Fission

Back 25

The splitting of atomic nuclei

Front 26

Nuclear Fusion

Back 26

The joining together of atomic nuclei

Front 27

Parallel circuit

Back 27

A circuit where there is more than one path for the current to take

Front 28

Potential difference (p.d.)

Back 28

The difference in electrical charge between two charged points

Front 29

Proton

Back 29

A positively charged sub-atomic particle

Front 30

Repulsion

Back 30

The pushing away of two materials with the same type of charge.

Front 31

Resistance

Back 31

Opposition to the flow of an electric current

Front 32

Resistor

Back 32

An electrical device that resists the flow of electric current

Front 33

Series circuit

Back 33

A circuit where there is only one path for electric current

Front 34

Speed

Back 34

The rate at which an object moves

Front 35

Static electricity

Back 35

Electricity caused by rubbing that causes the loss or gain of electrons

Front 36

Terminal velocity

Back 36

The maximum velocity reached by a falling object (forces are balanced)

Front 37

Thermistor

Back 37

A component whose resistance varies with temperature.

Front 38

Transfer

Back 38

To move energy from one place to another

Front 39

Transform

Back 39

To change energy from one form into another

Front 40

Velocity

Back 40

The speed an object moves in a particular direction

Front 41

Velocity-time graph

Back 41

Gradient represents acceleration

Front 42

Weight

Back 42

The gravitational force exerted on an object

Front 43

Work

Back 43

The energy transfer that occurs when a force causes an object to move.